TY  - JOUR
AU  - V. G. Lemlein
TI  - The curvature tensor and certain types of spaces of symmetric, nearly symplectic connectivity
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 755
EP  - 758
VL  - 117
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_117_5_a6/
LA  - ru
ID  - DAN_1957_117_5_a6
ER  -